base webpack config

package.json

{
  "name": "name",
  "version": "1.0.0",
  "description": "",
  "scripts": {
    "dev": "webpack serve --config webpack.config.js --mode development",
    "build": "webpack build --config webpack.config.js --mode production"
  },
  "keywords": [],
  "author": "",
  "devDependencies": {
    "@babel/preset-env": "^7.16.4",
    "babel-loader": "^8.2.3",
    "css-loader": "^6.5.1",
    "html-webpack-plugin": "^5.5.0",
    "path": "^0.12.7",
    "style-loader": "^3.3.1",
    "webpack": "^5.64.4",
    "webpack-cli": "^4.9.1",
    "webpack-dev-server": "^4.6.0"
  }
}

webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const config = {
    entry: './src/index.js',
    output: {
      filename: 'index.js',
      path: path.resolve(__dirname, 'dist')
    },
    devServer: {
      static: path.join(__dirname, 'dist'),
      port: 9000,
      open: true,
      watchFiles: ['src/**/*']
    },
    devtool: 'inline-source-map',
    module: {
      rules: [
        {
          test: /\.css$/i,
          use: ["style-loader", "css-loader"],
        },
        {
          test: /\.js$/,
          exclude: /(node_modules)/,
          use: {
            loader: require.resolve("babel-loader"),
            options: {
              presets: ['@babel/preset-env']
            }
          }
        }
      ]
    },
    plugins: [
      new HtmlWebpackPlugin({
        template: 'src/index.html'
      })
    ]
}

module.exports = config;